21 5 inch backpack with lcd screen

{"cid":"91215260","title":"27 Inch 21.5 Inch Backpack With LCD Screen LCD Advertising Player Battery Outdoor Brightness HD 50000 Hours","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/30\/7a\/ec6efc544cfc04bcf65eba829617-200x200-1.jpg","attrs":{"Brand Name":"Clientop \/ Customization","Minimum Order Quantity":"1 PCS","Delivery Time":"30 days","Place of Origin":"China","Payment Terms":"T\/T, MoneyGram, L\/C","Supply Ability":"1000pcs per month","Packaging Details":"wooden box package","Panel Size":"27\"21.5\"","Resolution":"1920*1080","Active Area":"597mm(H)x336mm(V)","Brightness(cd\/m\u00b2 )":"1000 Nits","USE":"Outdoor","Chip":"RK3288, RK3568, RK3399","Battery Capacity":"26000mAh Rechargeable Lithium Battery","Touch":"Optional"}}

{"cid":"91079688","title":"Bus Backpack-style Digital Signage 29 Inch Stretched Bar Android Display with Wireless 4G and WiFi Connectivity","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/bb\/08\/ec935ae597dec0de2e50e7219dd0-200x200-1.jpg","attrs":{"Price":"295USD~398USD","Brand Name":"Genevision","Model Number":"MBUS-290","Minimum Order Quantity":"10PCS","Delivery Time":"20 working days after received your payment","Certification":"CE\/ROHS\/FCC\/SGS","Place of Origin":"CHINA","Payment Terms":"T\/T or western Union","Supply Ability":"6,000pcs per month","Packaging Details":"Packed in carton firstly,and then reinforced with wooden case for outer packing","Product name 28.6inch":"Stretch LCD screen","CMS":"Free software","Resolution":"1920*1080","Aspect":"16:9","brightness":"350cd\/m2","respond time":"8ms","media available":"datasheet, Photo, EDA\/CAD Models, Other","installation type":"shelf or wall mount installation"}}